Microsoft recently launched the Remote Desktop app for Windows Phone 8.1. It's free and allows you to connect your phone to a remote PC over a local network or from the internet. Although it's a pre-release version and doesn't include certain functionality that you would expect from a remote desktop app from your computer, it's still handy for a lot of situations. Here's a look at how to set up your computer to receive remote connections, and how to use your phone for remote desktop.